From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [RFC Patch] SDHCI: add quirk for data timeout value when card busy. Date: Thu, 2 Dec 2010 10:09:33 +0100 Message-ID: <20101202090932.GA3345@pengutronix.de> References: <20101130095618.GA6408@pengutronix.de> <4CF4CE48.7040102@samsung.com> <20101130105435.GB6408@pengutronix.de> <4CF4E1DF.5000000@samsung.com> <43E4817426ED174AA81263BCECB4351D13200C545E@sc-vexch3.marvell.com> <4CF5E0DA.3060300@samsung.com> <4CF63FA9.1010304@samsung.com> <4CF74D5E.1080707@samsung.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="FL5UXtIhxfXey3p5" Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:55388 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751223Ab0LBJJm (ORCPT ); Thu, 2 Dec 2010 04:09:42 -0500 Content-Disposition: inline In-Reply-To: <4CF74D5E.1080707@samsung.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Jaehoon Chung Cc: Philip Rakity , "linux-mmc@vger.kernel.org" , Chris Ball , kyungmin Park , Andrew Morton , "matt@console-pimps.org" --FL5UXtIhxfXey3p5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > The timeout value in the host controller should not change once it is s= et. It s not supposed to=20 > > change value on reset (for example). > >=20 > > Curious -- if you read the value when you are in the busy state before = you set it -- what value is there. >=20 > I checked the timeout value to 0xa (i didn't use broken timeout value. if= i used that quirk, set to 0xe) > When suspend/resume..timeout value set to 0x0...so i set them... What I don't see at the moment is why this issue happens after resume but not after initial boot. Do you have an idea? --=20 Pengutronix e.K. | Wolfram Sang | Industrial Linux Solutions | http://www.pengutronix.de/ | --FL5UXtIhxfXey3p5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkz3YkwACgkQD27XaX1/VRvvCQCcDQIVST4jKdo5yGFr/jXbYEHi LH8AnjkQGM2+yZDLjGk4CoEYFjMRsbvI =PW+N -----END PGP SIGNATURE----- --FL5UXtIhxfXey3p5--